A monitoring apparatus that includes a sensor device and an I/O device in communication with the sensor device that generates derived data using the data from the sensor device. The derived data cannot be directly detected by the associated sensors. Alternatively, an apparatus that includes a wearable...http://www.google.ca/patents/US7285090?utm_source=gb-gplus-sharePatent US7285090 - Apparatus for detecting, receiving, deriving and displaying human physiological and contextual information